Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual foi a equipe vencedora em 2013?
 ###Tabelas: CREATE TABLE revenues_from_stamp_duties (revenues_from_stamp_duties_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Stamp duty reserve tax VARCHAR, Standard Stamp Duty VARCHAR, Standard Duties Total Revenue (in €million) INT, over Total Tax Revenue (in %) VARCHAR, over GDP (in %) VARCHAR) CREATE TABLE sun-like_stars_with_hot_dust (sun-like_stars_with_hot_dust_id AUTO_INCREMENT PRIMARY KEY, Star VARCHAR, Stellar classification VARCHAR, Distance from Earth ( ly ) VARCHAR, Constellation VARCHAR, Dust (or Debris; Temperature (K) VARCHAR, System VARCHAR, Dust (or Debris) Location (AU) VARCHAR, Cool Dust > 10 AU VARCHAR, Stellar Age (Myr) VARCHAR) CREATE TABLE results (results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Venue VARCHAR, Winning team VARCHAR, Score VARCHAR, USA Captain VARCHAR, Europe Captain VARCHAR) CREATE TABLE box_office_score_data (box_office_score_data_id AUTO_INCREMENT PRIMARY KEY, Venue VARCHAR, City VARCHAR, Tickets Sold / Available VARCHAR, Gross Revenue (1982) VARCHAR, Gross Revenue (2011) VARCHAR) CREATE TABLE 2013–14_season (2013–14_season_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Position in 2012–13 VARCHAR, First season in top division VARCHAR, Number of seasons in top division INT, First season of current spell in top division VARCHAR, Top division titles INT, Last top division title VARCHAR)  
SELECT Winning team FROM results WHERE Year = 2013